Home / 107,640.82-161,461.08-36,570.84

Finding the Fourth Proportional to 107,640.82, 161,461.08 and 36,570.84

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Solution

The fourth proportional to 107,640.82, 161,461.08 and 36,570.84 is: 54,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,640.82 : 161,461.08 = 36,570.84 : x
  2. Step 2: Convert to fraction form
    107,640.82/161,461.08 = 36,570.84/x
  3. Step 3: Cross multiply
    107,640.82x = 161,461.08 × 36,570.84
  4. Step 4: Simplify right side
    107,640.82x = 5,904,767,779.93
  5. Step 5: Solve for x
    x = 5,904,767,779.93/107,640.82
  6. Step 6: Final answer
    x = 54,856.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.